T224 The Early Paleozoic World: Radiations, Extinctions, and Paleoenvironmental Change I

Tuesday, 27 September 2016
1:30 PM - 5:30 PM
Mile High Ballroom 3C

Presentations

• 1:30 PM
  PATTERNS AND TRENDS IN NONCALCIFIED MACROALGAL (“SEAWEED”) MORPHOLOGY AND ECOLOGY DURING THE GREAT ANIMAL DIVERSIFICATION EVENTS OF THE EARLY PALEOZOIC
  Steven T. LoDuca, Eastern Michigan University, Ypsilanti, MI and Natalia Bykova, Virginia Polytechnic Institute and State University, Blacksburg, VA and Mengyin Wu, Guiyang University, Guiyang and Shuhai Xiao, Virginia Polytechnic Institute and State University, Blacksburg, VA and Yuanlong Zhao, Guizhou University, Guiyang
  283469 (Technical Sessions)
• 1:45 PM
  PROTRACTED DEVELOPMENT OF BIOTURBATION AND IMPLICATIONS FOR GLOBAL BIOGEOCHEMICAL CYCLING THROUGH THE EARLY PALEOZOIC
  Lidya G. Tarhan, Yale University, New Haven, CT
  284622 (Technical Sessions)
• 2:05 PM
  THE NATURE OF CAMBRIAN CARBONATE SEDIMENTATION THROUGH THE LENS OF THE PRECAMBRIAN
  Kristin Bergmann, Massachusetts Institute of Technology, Cambridge, MA and Marjorie Cantine, Massachusetts Institute of Technology, Cambridge, MA and Andrew H. Knoll, Harvard University, Cambridge, MA
  283927 (Technical Sessions)
• 2:20 PM
  EXCEPTIONALLY PRESERVED MICKWITZIA FROM THE INDIAN SPRINGS LAGERSTÄTTE (CAMBRIAN STAGE 3), NEVADA AND IMPLICATIONS FOR EARLY CAMBRIAN BRACHIOPOD EVOLUTION
  Aodhán D. Butler, Stanford University, Stanford, CA and Aodhán D. Butler, Uppsala University, Uppsala and Michael Streng, Uppsala University, Norbyvägen, N/A and Lars E. Holmer, Uppsala University, Norbyvägen, N/A and Loren E. Babcock, The Ohio State University, Columbus, OH
  282647 (Technical Sessions)
• 2:35 PM
  COUPLING OF CAMBRIAN TRILOBITE EXTINCTION EVENTS AND CARBON ISOTOPE ANOMALIES: A CASE STUDY OF CAMBRIAN SERIES 2-3 BOUNDARY CANDIDATE SECTIONS IN GUIZHOU CHINA
  Jih-Pai Lin, National Taiwan University, Taipei
  281323 (Technical Sessions)
• 2:50 PM
  CHANCELLORIID SCLERITES FROM THE DYERAN–DELAMARAN (“LOWER”–“MIDDLE” CAMBRIAN) BOUNDARY INTERVAL OF THE PIOCHE–CALIENTE REGION, NEVADA, USA
  John L. Moore, University of California, Santa Barbara, Santa Barbara, CA and Susannah Porter, University of California Santa Barbara, Santa Barbara, CA
  282297 (Technical Sessions)
• 3:05 PM
  MIDDLE CAMBRIAN AGNOSTID TRILOBITES FROM THE MANUELS RIVER FORMATION, AVALON PENINSULA NEWFOUNDLAND, CANADA: THEIR PALAEOBIOGEOGRAPHIC RELATIONS AND IMPLICATION FOR PALAEOGEOGRAPHY
  Anne Hildenbrand, Ruprecht-Karls-Universität Heidelberg, Heidelberg and Gregor Austermann, Ruprecht-Karls-Universität Heidelberg, Heidelberg and Christina Ifrim, SNSB Jura-Museum, Eichstätt and Peter Bengtson, Ruprecht-Karls-Universität Heidelberg, Heidelberg
  284041 (Technical Sessions)
• 3:35 PM
  ONSET OF THE EARLY PALEOZOIC:  GLOBAL HYPERWARMING AND PALEOGEOGRAPHY DURING THE CAMBRIAN EVOLUTIONARY RADIATION (CER)
  Ed Landing, New York State Museum, Albany, NY
  283363 (Technical Sessions)
• 3:50 PM
  DECOUPLING EXCURSIONS, EXTINCTIONS, AND ENVIRONMENTAL CHANGE: THE TIME-TRANSGRESSIVE AND FACIES-DEPENDENT CAMBRIAN SPICE EVENT
  James Schiffbauer, University of Missouri, Columbia, MO and John Huntley, University of Missouri, Columbia, MO and David A. Fike, Washington University in St. Louis, St Louis, MO and Matthew Jarrell Jeffrey, University of Missouri, Columbia, MO and Jay Gregg, Oklahoma State University, Stillwater, OK and Kevin L. Shelton, University of Missouri, Columbia, MO
  284431 (Technical Sessions)
• 4:05 PM
  EVIDENCE FOR THE DEVELOPMENT OF ANOXIA DURING THE CAMBRIAN SPICE EVENT FROM THE NOLICHUCKY AND EAU CLAIRE FORMATIONS OF KENTUCKY AND OHIO, USA
  Matthew A. LeRoy, Virginia Polytechnic Institute and State University, Blacksburg, VA and Benjamin Gill, Virginia Polytechnic Institute and State University, Blacksburg, VA
  286081 (Technical Sessions)
• 4:20 PM
  EARLY ORDOVICIAN CLIMATE FLUCTUATIONS INFERRED FROM CONODONT OXYGEN ISOTOPES
  Page Quinton, State University of New York at Potsdam, Potsdam, NY and James Miller, Missouri State University, Springfield, MO and Raymond L. Ethington, University of Missouri-Columbia, Columbia, MO and Kenneth G. MacLeod, University of Missouri-Columbia, Columbia, MO
  277262 (Technical Sessions)
• 4:35 PM
  EARLY TO MIDDLE ORDOVICIAN HIGH-FREQUENCY (104-105 YR) CLIMATE CHANGES DETECTED USING OXYGEN ISOTOPES OF MARINE APATITE FROM CYCLIC MARINE CARBONATES
  Maya Elrick, University of New Mexico Dept Earth & Planetary Sciences, Albuquerque, NM and Alyssa Wagner, University of New Mexico, Albuquerque, NM and Gretchen Hough, University of Wyoming, Laramie, WY and Seth Finnegan, University of California Berkeley, Be, CA
  282827 (Technical Sessions)
• 4:50 PM
  OXYGENATION AS A DRIVER OF THE GREAT ORDOVICIAN BIODIVERSIFICATION EVENT
  Cole T. Edwards, Appalachian State University, Boone, NC and Matthew Saltzman, The Ohio State University, Columbus, OH and Dana Royer, Wesleyan University, Middletown, CT
  281182 (Technical Sessions)
• 5:10 PM
  SULFUR-CYCLING IN THE DARRIWILIAN (MIDDLE ORDOVICIAN) OF ARGENTINA: IMPLICATIONS FOR OCEAN CIRCULATION AND THE REDOX EVOLUTION OF THE ORDOVICIAN OCEAN
  Miles A. Henderson, University of Tennessee, Knoxville, TN and Linda C. Kah, University of Tennessee, Knoxville, TN
  284859 (Technical Sessions)